Valve.



J. P BARKER. VALVE. APPLICATION FILED AUG-28. 1916- Patented J 11119 12,1917.

- wzznesses, f222/erz J02;- r7652? .2 ,Eareh- Tlhl TTE s'rarus PATENTJOHN P. BARKER, OF LOS ANGELES, CALIFORNIA, ASSIGNOR TO LOS ANGELESMOTOR CAR COMPANY, OF LOS ANGELES, CALIFORNIA, A CORPORATION OFCALIFORNIA.

VALVE.

To all whom it may concern:

Be it known that 1, JOHN P. BARKER, a citizen of the United States,residing at Los Angeles, in the county of Los Angeles and State ofCalifornia, have invented new and useful Improvements in Valves, ofwhich the following is a specification.

This invention relates to valves, and more particularly to valves forinternal combustion motors and the like, and it has for its object toprovide an improved valve which may be accurately regulated as to extentof opening or capacity and which may be readily removed for purposes ofrepair, adjustment or the like and which will be relatively simple inconstruction and organlzation. The improved valve is shown as used itbeing understood that the valve is of the automatic orself-acting type.

lVith the above and other objects in vlew,

the invention consists in the novel and useful provision, formation,combination, association, and relative arrangement of parts,

members and features, all. as hereinafter de-. scribed, shown 1n thedrawlng, and finally pointed out in claims.

In the drawing:

Figure 1 is a central vertical sectional view of an improvedvalveconstructed and organized in accordance with the invention, the samebeing shown as installed .in place on an internal combustion motorcylinder, the valve casing in part forming the intake duct of suchmotor; v v

Fig. 2 is a transverse sectional view taken on the line an -m Fig. 1,and looking inthe direction of the appended arrows; and F ig. 3 is atransverse sectional view taken on the line a2 -m Fig. 1, and looking inthe direction of the appended arrows.

Corresponding parts in all the figures are designated by the samereference characters.

Referring with particularity to the drawing, in the embodiment of theinvention Specification of Letters Patent.

Patented June 12, 1917.

Application filed August 28, 1916. Serial N o. 117,267.

therein shown A designates a valve casing, B designates a valvesupporting means, 0 designates a valve body, D designates yielding meansfor holding the valve body C to its seat, E designates a quickdetachable plug for holding the parts in assemblage, F designatesadjustable means for limiting the valve travel, and G designates thecylinder. of an internal combustion motor to whioh'the valve is shown asapplied.

The valve casing A preferably consists of a tubular body 4 provided withan aperture 5 preferably formed for communication with a motor intakepipe, not shown, which may lead from a suitable carbureter. Such intakepipe may be connected with the valve casing at 6, the valve casing beingsuitably faced and provided with flanges 8 in which threaded apertures 9are provided to accommodate bolts passing throughv suitable flanges inthe intake pipe. The casing 5 is further provided with a faced portion10 adapted to bring the hollow interior of the valve into registrationand communication with. a passage 11 in the motor cylinder casting andleading to the interior of such motor cylinder. Ears 12 are provided atthe faced portion 10, such ears being apertured as at 13 to accommodatesuitable bolts 14 which serves to unite the valve casing with the motorcylinder. The end of the valve casing 5 opposite the faced portion 10 isprovided with a threaded aperture 15 into which the plug E is fitted.Between orifice 5 and the point of communication of the interior of thevalve body and motor cylinder an internal annular seat 16 is provided,such seat being preferably rabbeted as at 17. A relatively narrow bridge18 is provided interiorly of the tubular body 5 and below the seat 16.

The valve supporting means B preferably consists of a tubular member 19.provided with an annular flange '20 adapted to rest upon the seat 16 andbe securely held thereto when the plug E is in place. The member 19 isapertured as at .21 so that communication between the valve casingorifice 5 and the interior of the member 19 is established. A transversespider 22 is preferably formed integrally with the member 19 andsupports a boss 23 centrally in the member 19. The boss is provided withaperture 24; and serves as a guide for the stem of the valve body C. Thelower edge of the member 19 is formed into a valve seat 25. The member19 is preferably fitted to match interior portions of the casing A as at25.

The valve body C is preferably of the puppet type and the disk 26thereof is preferably beveled as at 26 to match the seat 25. The stem 27extends from the disk through the aperture 24: in the boss 23 and isheld in position by a compression spring 28, constituting the yieldingmeans D. Said spring 28 is seated on the spider 22 at its one end as at28 and bears against a washer 29 secured to the valve stem at its otherend.

The plug E preferably consists of an externally threaded member 30threaded into the tubular body 4: and provided with a portion 31 wherebyby means of a suitable tool the plug may be unscrewed. The member isshouldered as at 32 to accommodate the upper portion of the member 19against which it bears when in position.

The adjustable means F preferably comprises a cap screw or the likev33threaded into an aperture 34 providedin the bridge 18 and preferablycentrally of the tubular body 4, and a lock nut 35 threaded upon the capscrew 33 andpreferably of larger diameter than the head 33 of the capscrew.

' The motor cylinder shown at G is of the 1 type illustrated and claimedin a companion application for U. S. patent to be filed by me, though itwill be understood that the improved valve may be used in connectionwith any other suitable motor cylinder or in totally different fields,without departing from the spirit of the invention.

The operation, method of use and advantages of the invention will bereadily understood from the foregoing description taken in connectionwith the accompanying drawing and the following statement:

' during the induction stroke.

A charge of gaseous fuel being inducted by the piston of the motor dueto the partial vacuum formed in the motor cylinder will unseat the valvedisk 26 the spring 28 permitting su h unseating of the valve during theinductlon stroke and reseating of the valve when the partial vacuum hasbeen filled. Upon the compression stroke of the motor piston thecompressed charge may act against the valve 26 but none of the gaseousfuel will pass the same as the valve is held tightly to its seat by thespring, the compressed charge further aiding in seating the' valve.After the charge has been fired in the motor cylinder and exhaustedtherefrom, the valve may again open in response to the pressure of thegaseous fuel fixture thereon I I In order to limit the travel of thevalve 26, and by such means regulate the volume of the charge admitted,the means F are provided and, in multi-cylinder motors each such means Fwill be independently adjusted to suit the requirements of theparticular motor cylinremoved from its position in the valve casing A.This will give access to the means F and by means of a suitable toolsuch as a socket wrench the cap screw 33 may be adjusted so that itshead 33" will stop the valve in its travel in an opening direction atjust the desired point to make for highest valve efiiciency or permitthe piston to induct the proper charge. After the cap screw 33 has beenso positioned a larger socket wrench may be passed over the head 33 andengage the nut 35 which nut by rotation on the cap screw may be causedto lock the screw in a position of adjustment in the bridge 18. It isapparent that the valve may be easily ground to its seat while themounting carrying the same is in detached position, and after all properadjustments have been made the mounting with the valve 26 may bereturned to the casing and the plug E screwed into place clamping thevalve mounting between such nut Eand-the annular seat 16 in'the casing.

The provision of adjustable means in the path of travel of the valvedisk avoids the necessity of using a heavy valve stem reciprocating withthe body and means on such valvestem to stop the valve in its travel,the elimination of such parts permitting the use of a considerablylightened valve stem for a given installation and likewise the use of avalve for internal combustion motors and the like, or for other highspeed work; in the use of valves of large sizes as intake valves forinternal combustion motors and the like, the great weight of thevalve'and its stem, in case the valve is controlled as to travel, orlimited as to its travel bythe stem, can only be used for slow speedwork due to the pounding or clashing of heavy valves if it is attemptedto cause their reciprocation at highspeeds; furtherclaim and desire'tosecure by Letters Patent:

1.' Infan internal combustion motor intake valve, a valve casing adaptedto communicate with the interior of a cylinder of an internal combustionmotor at one end of.

such casing and adapted for connection with an intake pipe at anotherzone in the said casing, a removable valve cage fitted in said casingand provided with an annular valve seat, a puppet valve comprising adisk and stem portion mounted in said valve cage and adapted forcoaction with said seat, a removable plug for maintaining said valvecage in position in said valve casing, and means for limiting the travelof the valve in a direction away from its seat; said limiting meanscomprising a support in said valve casing and extending into the path oftravel of said valve, and a member adjustable with respect to saidsupport and adapted to arrest said valve in its travel whereby saidvalve and cage may be removed and access had to said limiting means toadjust the same upon removal of the plug.

2. In an internal combustion motor intake valve, a valve casing adaptedto communicate with the interior of a cylinder of an internal combustionmotor at one end of such casing and adapted for connection with anintake pipe at another zone in the said casing, a removable valve cagefitted in said casing and provided with an annular valve seat, a puppetvalve comprising a disk and stem portion mounted in said valve cage andadapted for co-action with said seat, a removable plug for maintainingsaid valve cage in position in said valve casing, and means for limitingthe travel of the valve in a direction away from its seat; said limitingmeans comprising a support in said valve casing and extending into thepath of travel of said valve, and a member adj ustable with respect tosaid support and adapted to arrest said valve in its travel whereby saidvalve and cage may be removed and access had to said limiting means toadjust the same upon removal of the plug; said adjustable member beingaccessible for adjustment only after removal of said plug and withdrawalof said valve cage with the valve carried thereby.

3. In a valve for internal combustion motors, a casing having an orificefor communication with an internal combustion motor cylinder and anorifice at an angle thereto adapted for communication with an intakepipe, a cylindrical valve supporting cage in said casing, an annularseat for said valve supporting cage, a plug adapted to be applied tosaid valve casing and between which and said annular seat said valvesupporting cage is clamped, a relatively thin puppet valve having a stemsupported in said valve cage, a spring co-acting with said stem to holdsaid thin valve in contact with an annular seat provided on said valvesupporting cage, and means in said casing for adjustably limiting thetravel of said valve; said valve limiting means comprising a supportspringing from the internal walls of said valve casing, and a memberthreaded into said support and extending into the path of valve traveland provided with looking means to lock the same in any position ofadjustment; said plug sealing said valve casing and said threaded memberand said valve being accessible only after removal of said plug.

4. In an internal combustion motor intake valve, a valve easing adaptedto communicate with the interior of the cylinder of an internalcombustion motor at one end of such casing and adapted for connectionwith an intake pipe at another zone in said casing, a removable valvecage fitted in said casing and provided with an annular valve seat, apuppet valve comprising a disk and a stem portion mounted in said valvecage and adapted for co-action with said seat, a removable plug formaintaining said valve cage in position in said valve casing, and meansfor limiting the travel of the valve in a direction away from its seat;said limiting means comprising a support in said valve casing andextending into the path of travel of said valve, and a member adjustablewith respect to said support and adapted to arrest said valve in itstravel whereby said valve and cage may be removed and access had to saidlimiting means to adjust the same upon removal of the plug; saidlimiting means being entirely independent of said valve.

In testimony whereof, I have signed my name to this specification in thepresence of two subscribing witnesses.

JOHN P. BARKER.

lVitnesses:

ALFRED H. DAEHLER, WILLIS S. MITCHELL.

Gopies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. G.

